« Reply #31 on: 31 July 2012, 07:31 »
The Rio one was very obvious with the bouncer...can anyone explain the trick with the father and son where they pick a card at random from two packs of cards and they were the same? Both decks were shuffled, cards were all different...dynamo didn't touch them....
The easiest way I can think that was done was with two special decks of cards. I used to have some years ago, but I can't remember what they are called...anyway, they work by every card has the same one card (for e.g. 9 of spades) that is cleverly magnetised to the back. So no matter if you fan them out or flick through them the card you will choose is the same card.
pretty sure that it's a waxed deck he was using.
is that what the deck is called, I couldn't remember as I last had them over 20 years ago. I just remember that they had the same card that stuck to the back of the other cards.

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